EP4607682A4 - Self-supporting separator for electrochemical device and electrochemical device so that - Google Patents

Self-supporting separator for electrochemical device and electrochemical device so that

Info

Publication number
EP4607682A4
EP4607682A4 EP24800225.5A EP24800225A EP4607682A4 EP 4607682 A4 EP4607682 A4 EP 4607682A4 EP 24800225 A EP24800225 A EP 24800225A EP 4607682 A4 EP4607682 A4 EP 4607682A4
Authority
EP
European Patent Office
Prior art keywords
electrochemical device
self
supporting separator
separator
supporting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP24800225.5A
Other languages
German (de)
French (fr)
Other versions
EP4607682A1 (en
Inventor
Jin Young Shin
So Mi Jeong
Ji Hyun Bang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Energy Solution Ltd
Original Assignee
LG Energy Solution Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020240057294A external-priority patent/KR20240161030A/en
Application filed by LG Energy Solution Ltd filed Critical LG Energy Solution Ltd
Publication of EP4607682A1 publication Critical patent/EP4607682A1/en
Publication of EP4607682A4 publication Critical patent/EP4607682A4/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/38Selection of substances as active materials, active masses, active liquids of elements or alloys
    • H01M4/386Silicon or alloys based on silicon
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/134Electrodes based on metals, Si or alloys
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/411Organic material
    • H01M50/414Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/42Acrylic resins
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/411Organic material
    • H01M50/414Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/426Fluorocarbon polymers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/431Inorganic material
    • H01M50/434Ceramics
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/443Particulate material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/446Composite material consisting of a mixture of organic and inorganic materials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M2004/021Physical characteristics, e.g. porosity, surface area
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Ceramic Engineering (AREA)
  • Cell Separators (AREA)
  • Secondary Cells (AREA)
  • Battery Electrode And Active Subsutance (AREA)
EP24800225.5A 2023-05-03 2024-05-02 Self-supporting separator for electrochemical device and electrochemical device so that Pending EP4607682A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20230058001 2023-05-03
KR1020240057294A KR20240161030A (en) 2023-05-03 2024-04-30 A selfsupporting separator for an electrochemical device and an electrochemical device comprising the same
PCT/KR2024/005914 WO2024228544A1 (en) 2023-05-03 2024-05-02 Self-supporting separator for electrochemical device, and electrochemical device comprising same

Publications (2)

Publication Number Publication Date
EP4607682A1 EP4607682A1 (en) 2025-08-27
EP4607682A4 true EP4607682A4 (en) 2026-02-25

Family

ID=93333088

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24800225.5A Pending EP4607682A4 (en) 2023-05-03 2024-05-02 Self-supporting separator for electrochemical device and electrochemical device so that

Country Status (4)

Country Link
EP (1) EP4607682A4 (en)
JP (1) JP2025536040A (en)
CN (1) CN120113094A (en)
WO (1) WO2024228544A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2025504515A (en) * 2022-07-07 2025-02-12 エルジー エナジー ソリューション リミテッド Separator for electrochemical device and method for producing said separator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180323439A1 (en) * 2015-10-26 2018-11-08 Hitachi, Ltd. Lithium Ion Secondary Battery and Method for Producing Lithium Ion Secondary Battery
KR20210033327A (en) * 2019-09-18 2021-03-26 주식회사 엘지화학 Electrode assembly comprising free-standing separator for secondary batteries and Secondary batteries comprising the same
US20220384910A1 (en) * 2019-10-18 2022-12-01 Lg Energy Solution, Ltd. Separation Membrane for Electrochemical Device, Electrochemical Device Comprising Same Separation Membrane, and Method for Manufacturing Same Separation Membrane

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5994354B2 (en) * 2011-09-05 2016-09-21 ソニー株式会社 Separator and nonaqueous electrolyte battery, battery pack, electronic device, electric vehicle, power storage device, and power system
JP2016023308A (en) * 2014-07-22 2016-02-08 有限会社ケー・イー・イー Heat-resistant polyolefin microporous membrane and method for producing the same.
KR102717424B1 (en) * 2019-05-30 2024-10-14 주식회사 엘지에너지솔루션 Single layer free standing separator for secondary batteries and Method of making the separator using island-in-sea fibers
KR102814789B1 (en) * 2019-08-09 2025-05-28 주식회사 엘지에너지솔루션 Porous separating film and electrochemical device containing the same
US12531311B2 (en) * 2019-10-18 2026-01-20 Lg Energy Solutions, Ltd. Separator for electrochemical device, electrochemical device comprising separator and method for preparing separator
CN116711099A (en) 2021-10-19 2023-09-05 宁德时代新能源科技股份有限公司 Negative electrode sheet, secondary battery, battery module, battery pack and electrical device
KR20240057294A (en) 2022-10-24 2024-05-02 주식회사 부뜰정보시스템 Artificial Intelligence call center system for quarantined people using hybrid analysis engine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180323439A1 (en) * 2015-10-26 2018-11-08 Hitachi, Ltd. Lithium Ion Secondary Battery and Method for Producing Lithium Ion Secondary Battery
KR20210033327A (en) * 2019-09-18 2021-03-26 주식회사 엘지화학 Electrode assembly comprising free-standing separator for secondary batteries and Secondary batteries comprising the same
US20220384910A1 (en) * 2019-10-18 2022-12-01 Lg Energy Solution, Ltd. Separation Membrane for Electrochemical Device, Electrochemical Device Comprising Same Separation Membrane, and Method for Manufacturing Same Separation Membrane

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2024228544A1 *

Also Published As

Publication number Publication date
WO2024228544A1 (en) 2024-11-07
JP2025536040A (en) 2025-10-30
EP4607682A1 (en) 2025-08-27
CN120113094A (en) 2025-06-06

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